Wholesale steel Countersunk Head DIN 7505 white zinc Chipboard Screw

Double countersunk reduces the likelihood of head shear and assists completion of countersinking
Wax lubricated to enhance screw insertion time, extra driving torque and resistance to corrosion
40° deep single thread to provide a secure fixing with high pull-out resistance
25° sharp point and single lead for a fast start and improved thread acceptance
All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length